The temperature on June 28, 1920 was between 14.4 °C and 21.4 °C and averaged 17.3 °C. There was 5.5 mm of rain. There was 5.7 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
April 28 » Azerbaijan is added to the Soviet Union.
August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
September 1 » The Fountain of Time opens as a tribute to the 100 years of peace between the United States and Great Britain following the Treaty of Ghent.
November 2 » In the United States, KDKA of Pittsburgh starts broadcasting as the first commercial radio station. The first broadcast is the result of the 1920 United States presidential election.
When copying data from this family tree, please include a reference to the origin: Paul Snoeij, "Family tree Snoeij-van den Donker-Elich-Sundermeijer-Martens", database, Genealogy Online (https://www.genealogieonline.nl/stamboomonderzoek-snoeij/I29452.php : accessed May 16, 2024), "N.N. Sundermeijer (1920)".
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